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Un vieux code de 2022 (si pas plus). Chrypowatch n'existe plus, c'est dire

# coding: utf-8
import requests
import numpy as np
import pandas as pd
 
import talib
 
url = 'https://api.cryptowat.ch/markets/kraken/btceur/ohlc'
ohlc = requests.get(url).json()['result'][str(12*60*60)]
columns = ['time','open','high','low','close','volume','count']
df = pd.DataFrame(ohlc, columns=columns).astype(float)
df = df.iloc[-1000:]
 
df['RSI'] = talib.RSI(df['close'], timeperiod=14)
#df['RSI'] = df.RSI.fillna(value=df.RSI.loc[14])
df['long'] = talib.SMA(df.close, timeperiod=200)
#df['long'] = df.long.fillna(value=df.long.loc[200])
df['short'] = talib.SMA(df.close,timeperiod=14)
#df['short'] = df.short.fillna(value=df.short.loc[14])
df['trend'] = df.long < df.short
# signal
df['sig_in'] = (df.RSI > 60) & df.trend
df['sig_out'] = (df.RSI < 40)# | 1-df.trend
#df['sig_in'] = (df.RSI.shift() < 70) & (df.RSI > 70)
#df['sig_out'] = (df.RSI.shift() > 30) & (df.RSI < 30)
#df['sig_in'] = (df.RSI.shift() < 25) & (df.RSI > 25)
#df['stoploss'] = df.low.rolling(5).min().where(df.sig_in==1).ffill()
#df['sig_out'] = ((df.RSI.shift() > 75) & (df.RSI < 75)) | ((df.RSI.shift()>25) & (df.RSI<25)) | (df.close < df.stoploss)
 
#df['signal'] = df.sig_in.where(df.sig_in).fillna(1-df.sig_out.where(df.sig_out)).ffill()
#df['sig_out'].loc[0] = True
#df['signal'] = (1-df.sig_out.where(df.sig_out)).fillna(df.sig_in.where(df.sig_in)).ffill()# * df.trend 
 
df['sig_0'] = df.sig_in.astype(int) - df.sig_out.astype(int)
df['sig_1'] = df.sig_0.where(df.sig_0!=0).ffill()
df['signal'] = df.sig_1 > 0
# Rendements
df['close'] = df.close.replace(to_replace=0, method='ffill')
df['r_0'] = df.close / df.close.shift()
df['r_strat'] = np.where(df.signal.shift(), df.r_0, 1)
df['r_fee'] = np.where(df.signal.shift() + df.signal == 1, 1-0.0025, 1)
# tronquage datafame
#df = df.iloc[-700:]
# Rendement cumulé
df['R_net'] = (df.r_strat * df.r_fee).cumprod()
# Graphiques
from bokeh.plotting import figure,show
from bokeh.layouts import column,row
p1 = figure(height=300,width=800)
p1.line(df.time,df.close)
#p1.line(df.time,df.long,color='green')
#p1.line(df.time,df.short,color='red')
p2 =  figure(height=100,width=800,x_range=p1.x_range)
p2.line(df.time,df.RSI)
#p3_0 = figure(height=100,width=800,x_range=p1.x_range)
#p3_0.line(df.time,df.trend)
p3_1 = figure(height=100,width=800,x_range=p1.x_range)
p3_1.line(df.time,df.sig_in,color='green')
p3_2 = figure(height=100,width=800,x_range=p1.x_range)
p3_2.line(df.time,df.sig_out,color='red')
p3_3 = figure(height=100,width=800,x_range=p1.x_range)
p3_3.line(df.time,df.sig_0)
p3_3_2 = figure(height=100,width=800,x_range=p1.x_range) 
p3_3_2.line(df.time,df.sig_1)
p3_4 = figure(height=100,width=800,x_range=p1.x_range)
p3_4.line(df.time,df.signal)
p4 = figure(height=150,width=800,x_range=p1.x_range)
p4.line(df.time,df.r_0,color='lightgray')
p4.line(df.time,df.r_strat)
p4.line(df.time,df.r_fee,color='red')
p5 = figure(height=300,width=800,x_range=p1.x_range)
p5.line(df.time,df.r_0.cumprod(),color='lightgray')
p5.line(df.time,df.r_strat.cumprod())
p5.line(df.time,df.R_net,color='red')
layout = column(p1,p2,p3_1,p3_2,p3_3,p3_3_2,p3_4,p4,p5)
show(layout)